These printers use the TK-6307 cartridge:
Click On a Printer to View it's Cartridges
Kyocera-Mita TASKalfa 3500 I
Kyocera-Mita TASKalfa 3501 I
Kyocera-Mita TASKalfa 4500 I
Kyocera-Mita TASKalfa 4501 I
Kyocera-Mita TASKalfa 5500 I